Direct Black 166 химические свойства, назначение, производство
Подготовка
4-Amino-N-(4-aminophenyl)benzamide double nitriding, in acid conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?coupled, aniline diazo, in alkaline conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?group of neighborhood, a coupling again with Benzene-1,3-diamine coupling.
Свойства и приложения
black. Used for cellulose fiber dyeing and printing, also can be used for leather dyeing. Is C.I. Direct Black 38 substitutes.
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Standard
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Acid Resistance
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Alkali Resistance
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Light Fastness
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Soaping
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Water
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Fading
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Stain
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Fading
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Stain
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ISO
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3
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2-3
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1
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3
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1
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Direct Black 166 препаратная продукция и сырье
сырьё
препарат